import axios from 'axios'
import httpCode from "@/utils/httpCode";
import store from '../store'
axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
    // axios中请求配置有baseURL选项，表示请求URL公共部分
    baseURL: process.env.VUE_APP_BASE_API,
    // 超时
    timeout: 10000
})
// request拦截器
service.interceptors.request.use(config => {
    if (config.method === 'get' && config.params) {
        let url = config.url + '?';
        for (const propName of Object.keys(config.params)) {
            const value = config.params[propName];
            let part = encodeURIComponent(propName) + "=";
            if (value !== null && typeof (value) !== "undefined") {
                url += part + encodeURIComponent(value) + "&";
            }
        }
        url = url.slice(0, -1);
        config.params = {};
        config.url = url;
    }
    return config
}, error => {
    console.log("error", error)
})

// 响应拦截器
service.interceptors.response.use(res => {
        // 未设置状态码则默认成功状态
        const code = res.data.code || 200;
        // 获取错误信息
        const msg = httpCode[code] || res.data.msg || httpCode['default']
        if (code !== 200) {
            store.dispatch('snackbar/openSnackbar',{
                msg: msg,
                color: 'error',
                showClose: true,
                timeout: 2000,
            }).then()
            return Promise.reject('error')
        } else {
            return res.data
        }
    },
    error => {
        console.log('err' + error)
        let {message} = error;
        if (message == "Network Error") {
            message = "后端接口连接异常";
        } else if (message.includes("timeout")) {
            message = "系统接口请求超时";
        } else if (message.includes("Request failed with status code")) {
            message = "系统接口" + message.substr(message.length - 3) + "异常";
        }
        store.dispatch('snackbar/openSnackbar',{
            msg: message,
            color: 'error',
            showClose: true,
            timeout: 2000,
        }).then()
        return Promise.reject(error)
    }
)

export default service
